Monitor



FIG. 1 is a perspective view of a monitor showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is another right side view thereof as shown in another configuration.

The broken lines illustrating portions of the monitor form no part of the claimed design. 

CLAIM The ornamental design for a monitor, as shown and described. 